import { id } from "element-plus/es/locales.mjs";
import Mock from "mockjs";
//  get请求从config.url获取参数，post从config.body中获取参数
function param2Obj(url) {
  const search = url.split("?")[1];
  if (!search) {
    return {};
  }
  return JSON.parse(
    '{"' +
      decodeURIComponent(search)
        .replace(/"/g, '\\"')
        .replace(/&/g, '","')
        .replace(/=/g, '":"')
        .replace(/\+/g, " ") +
      '"}'
  );
}
let List = [];
const count = 200;
for (let i = 0; i < count; i++) {
  List.push(
    Mock.mock({
      id: Mock.Random.guid(),
      name: Mock.Random.cname(),
      addr: Mock.mock("@county(true)"),
      "age|18-60": 1,
      birth: Mock.Random.date(),
      sex: Mock.Random.integer(0, 1),
    })
  );
}

export default {
  //    获取列表
  //    要带参数 name,page,limt;name可以不填，page,limit有默认值
  getUserList: (config) => {
    // limit默认是10，因为分页器默认也是一页10个
    let { name, page = 1, limit = 10 } = param2Obj(config.url);
    if (name === undefined) {
      name = JSON.parse(config.body).name;
    }

    if (JSON.parse(config.body)) {
      if (JSON.parse(config.body).page) {
        page = JSON.parse(config.body).page;
      } else {
        page = 1;
      }
    }
    // console.log(name, page, limit);
    const mockList = List.filter((user) => {
      if (name && user.name.indexOf(name) === -1) return false;
      return true;
    });
    // 分页
    const pageList = mockList.filter(
      (item, index) => index < limit * page && index >= limit * (page - 1)
    );
    return {
      code: 200,
      data: {
        list: pageList,
        total: mockList.length, //数据总条数需要返回
      },
    };
  },

  // 删除用户
  deleteUser: (config) => {
    let { id } = param2Obj(config.url);
    if (!id) {
      return {
        code: -999,
        message: "参数不正确",
      };
    }else{
      List = List.filter((u) => u.id !== id);
      return {
        code: 200,
        message: "删除成功",
      };
    }
  }
  ,
  // 添加用户
  addUser: (config) => {
     let { name, addr, age, birth, sex } = JSON.parse(config.body);
     List.unshift({
       id: Mock.Random.guid(),
       name: name,
       addr: addr,
       age: age,
       birth: birth,
       sex: sex,
     })
     return {
      code: 200,
      data: {
        message: "添加成功",
      }
     };
  },

  // 编辑用户
  updateUser: (config) => {
    let { id, name, addr, age, birth, sex } = JSON.parse(config.body);
    const sex_num=parseInt(sex);
    List.some((u) => {
      if (u.id === id) {
        u.name = name;
        u.addr = addr;
        u.age = age;
        u.birth = birth;
        u.sex = sex_num;
        return true;
      }
    });
    return {
      code: 200,
      data: {
        message: "编辑成功",
      }
    }
  }
};
